Copeland–Erdős constant

The Copeland - Erdős number, named after Arthur Herbert Copeland and Paul Erdős, is a real number from the field of number theory, which is a normal number in the decimal system.

It is formed by the size after stringing together all the prime numbers as decimals. Before the decimal point is a zero.

In the decimal are the first places:

It is the result of A33308 in OEIS.

The Copeland - Erdős number can also be expressed as a series:

As with the n-th prime.